Index Rebal/Special Situations, Quiddity Advisors

Janaghan Jeyakumar, CFA

Index Rebal/Special Situations

Quiddity Advisors

Pan-Asia Catalysts/Events

Index Rebalance

<ul>
<li>The ADDs/DELs for the ASX index family for the September 2026 index rebal event were announced after market close on Friday 4th September 2026.</li>
<li>There are 24 ADDs and 21 DELs collectively for ASX 20, ASX 50, ASX 100, ASX 200 and ASX 300.</li>
<li>In this insight, we take a look at our final flow expectations for each of these confirmed index changes.</li>
</ul>


The ADDs/DELs for the ASX index family for the September 2026 index rebal event were announced after market close on Friday 4th September 2026.
There are 24 ADDs and 21 DELs collectively for ASX 20, ASX 50, ASX 100, ASX 200 and ASX 300.
In this insight, we take a look at our final flow expectations for each of these confirmed index changes.


Quiddity ASX Sep26 Results: 92% of Predictions Correct; More Changes for ASX 300 than We Expected

Pan-Asia Index Rebalances/ Events/ Delta One, Periscope Analytics

Brian Freitas

Pan-Asia Index Rebalances/ Events/ Delta One

Periscope Analytics

Periscope Analytics focuses on event-driven trades across Asia Pacific and provides comprehensive, timely and systematic coverage of index changes to major Asia Pacific indices in a structured manner.

The analysis includes forecasted inclusions and exclusions to all major Asian indices that have significant amount of tracking assets, including estimates of passive buy/sell flow on the stocks. The service also provides commentary and impact of market consultations, ground rule changes, and other events (IPOs, spin-offs, M&A) that could lead to index changes and passive flow.

Periscope Analytics works with multi-strategy hedge funds, proprietary trading firms, stat arb trading groups and long-only investors that invest and trade in the Asia Pacific region with the data being used to trade index rebalances, avoid pre-positioning and passive flow, and to time entry into and exit from stocks.

Event-Driven Trades Across Asia Pacific

<ul>
<li>There could be 2 changes for the ASX50, 1 for the ASX100, 6 for the S&amp;P/ASX 200 and 16 adds/11 deletes for the ASX300 in September.</li>
<li>Passive trackers will need to trade a lot of stock in the forecast changes, with the impact being especially large for the changes to the ASX200 and ASX300 indices.</li>
<li>The forecast adds have outperformed the forecast deletes over the last few months, but outperformance has reduced for the ASX50/ASX200 indices and has increased for the ASX100/ASX300 indices.</li>
</ul>


There could be 2 changes for the ASX50, 1 for the ASX100, 6 for the S&amp;P/ASX 200 and 16 adds/11 deletes for the ASX300 in September.
Passive trackers will need to trade a lot of stock in the forecast changes, with the impact being especially large for the changes to the ASX200 and ASX300 indices.
The forecast adds have outperformed the forecast deletes over the last few months, but outperformance has reduced for the ASX50/ASX200 indices and has increased for the ASX100/ASX300 indices.


S&P/​​​​​​​​​ASX Index Rebalance Preview (Sep 26): Plenty of Change with Big Flow & Impact

Asia Pac ECM and Index Rebal, Shenton Research

Ke Yan, CFA, FRM

Asia Pac ECM and Index Rebal

Asia Pac IPO & Placement Research, China Biotech

Shenton Research

Shenton Research is an independent Asia Pacific equity specialist. Our quantitative research covers index rebalancing flows, alongside exchange data analytics accross Asia Pacific. On the equity capital markets side, we focus on Asia Pacific ECM, especially biotech and TMT. Our lead analyst is frequently cited by international media.

Quantitative Analysis

<ul>
<li>We analyzed the changes in short interest of ASX Stocks as of Aug 21st (reported today). The aggregated short interest was USD50.2bn.</li>
<li>We tabulate league tables for top short by value and short as multiple of ADT, as well as weekly increases &amp; decreases in short value, short as multiple of ADT.</li>
<li>We highlight short interest changes in JB Hi-Fi, CSL, Transurban, NEWMONT, Zip.</li>
</ul>


We analyzed the changes in short interest of ASX Stocks as of Aug 21st (reported today). The aggregated short interest was USD50.2bn.
We tabulate league tables for top short by value and short as multiple of ADT, as well as weekly increases &amp; decreases in short value, short as multiple of ADT.
We highlight short interest changes in JB Hi-Fi, CSL, Transurban, NEWMONT, Zip.


ASX Short Interest Weekly (Aug 21st): JB Hi-Fi, CSL, Transurban, NEWMONT, Zip

Providing investors with a balanced perspective, Massif Capital

Massif Capital Research

Providing investors with a balanced perspective

Massif Capital

Research focused on providing investors with a balanced perspective on the environmental and economic realities of achieving a carbon-neutral economy for businesses within the Energy, Basic Materials and Industrial industries.

The Massif Capital Real Asset Strategy is a global long/short equity strategy built around bottom-up stock picking. We are focused on creating a portfolio of businesses from within the Energy, Basic Materials and Industrial sectors that balance the environmental and economic realities of achieving a carbon-neutral economy.

Macroeconomics

<ul>
<li>2023 was a challenging year, there was a lot of volatility in both long and short books.</li>
<li>We reserve the bulk of the letter for an extended discussion of our investments in lithium and the outlook for the sector in the coming years.</li>
<li>Despite dire headlines related to EVs, we remain optimistic about a lithium rebound and skeptical that supply can grow as robustly as projected.</li>
</ul>


2023 was a challenging year, there was a lot of volatility in both long and short books.
We reserve the bulk of the letter for an extended discussion of our investments in lithium and the outlook for the sector in the coming years.
Despite dire headlines related to EVs, we remain optimistic about a lithium rebound and skeptical that supply can grow as robustly as projected.


2023 4th Qtr Letter to Investors: A Deep Dive into Lithium

Pan-Asia Catalysts/Events, Quiddity Advisors

David Blennerhassett

Event-Driven

<ul>
<li>Australia's ASIC releases the aggregated short position data four business days after the reporting day. Data in this insight is up to 13th July, published on the 17th July.</li>
<li>The largest industry net increase in the past week was A$0.8bn into "Banks"; the largest industry net decrease was A$0.5bn out of "Diversified Metals". Net shorts declined A$0.2bn week-on-week.</li>
<li>Companies mentioned in this regular weekly report include: <a href="https://www.smartkarma.com/entities/pls-group-limited" target="_blank" data-smartkarma-citation="entities:7460:1" rel="noopener">PLS Group (PLS AU)</a>, <a href="https://www.smartkarma.com/entities/lynas-corp-ltd" target="_blank" data-smartkarma-citation="entities:20374:1" rel="noopener">Lynas (LYC AU)</a>, <a href="https://www.smartkarma.com/entities/westpac-banking-corp" target="_blank" data-smartkarma-citation="entities:444:1" rel="noopener">Westpac Banking (WBC AU)</a>, <a href="https://www.smartkarma.com/entities/iluka-resources-ltd" target="_blank" data-smartkarma-citation="entities:10105:1" rel="noopener">Iluka Resources (ILU AU)</a>, and <a href="https://www.smartkarma.com/entities/commonwealth-bank-of-australia" target="_blank" data-smartkarma-citation="entities:14:1" rel="noopener">Commonwealth Bank of Australia (CBA AU)</a>.</li>
</ul>


Australia's ASIC releases the aggregated short position data four business days after the reporting day. Data in this insight is up to 13th July, published on the 17th July.
The largest industry net increase in the past week was A$0.8bn into "Banks"; the largest industry net decrease was A$0.5bn out of "Diversified Metals". Net shorts declined A$0.2bn week-on-week.
Companies mentioned in this regular weekly report include: PLS Group (PLS AU), Lynas (LYC AU), Westpac Banking (WBC AU), Iluka Resources (ILU AU), and Commonwealth Bank of Australia (CBA AU).


Aussie Shorts [13 July 2026]: PLS, Lynas, Westpac, Iluka Resources, Commonwealth Bank

Australia

Mineral Resources Ltd. offers contract crushing services to the mining industry in Australia.  The Company serves gold, iron ore, tantalum, and coal companies.

Price Gauge
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Mineral Resources (MIN AU)

Quiddity ASX Sep26 Results: 92% of Predictions Correct; More Changes for ASX 300 than We Expected

Most of the confirmed index changes have multiple days of volume to trade. The ASX 300 ADDs/DELs have comparatively insignificant flow sizes.

Janaghan Jeyakumar, CFA

S&P/ASX Index Rebalance Preview (Sep 26): Plenty of Change with Big Flow & Impact

There could be 45 changes across the ASX family of indices in Sept. Passive trackers need to trade a lot of stock in many names. Short interest is...

Brian Freitas

ASX Short Interest Weekly (Aug 21st): JB Hi-Fi, CSL, Transurban, NEWMONT, Zip

We analyzed ASX short interest report for the past week and highlight short interest changes in JB Hi-Fi, CSL, Transurban, NEWMONT, Zip.

Ke Yan, CFA, FRM

2023 4th Qtr Letter to Investors: A Deep Dive into Lithium

2023 was a challenging year, there was a lot of volatility in both long and short books. We reserve the bulk of the letter for an extended...

Massif Capital Research

Aussie Shorts [13 July 2026]: PLS, Lynas, Westpac, Iluka Resources, Commonwealth Bank

The largest industry net increase in the past week was A$0.8bn into "Banks"; the largest industry net decrease was A$0.5bn out of "Diversified...

David Blennerhassett

Price Gauge

52-week Range

Market Cap (USDm)

P/E

Dividend (Yield)

Quiddity ASX Sep26 Results: 92% of Predictions Correct; More Changes for ASX 300 than We Expected

Most of the confirmed index changes have multiple days of volume to trade. The ASX 300 ADDs/DELs have comparatively insignificant flow sizes.

Janaghan Jeyakumar, CFA

S&P/​​​​​​​​​ASX Index Rebalance Preview (Sep 26): Plenty of Change with Big Flow & Impact

There could be 45 changes across the ASX family of indices in Sept. Passive trackers need to trade a lot of stock in many names. Short interest is...

Brian Freitas

ASX Short Interest Weekly (Aug 21st): JB Hi-Fi, CSL, Transurban, NEWMONT, Zip

We analyzed ASX short interest report for the past week and highlight short interest changes in JB Hi-Fi, CSL, Transurban, NEWMONT, Zip.

Ke Yan, CFA, FRM

2023 4th Qtr Letter to Investors: A Deep Dive into Lithium

2023 was a challenging year, there was a lot of volatility in both long and short books. We reserve the bulk of the letter for an extended...

Massif Capital Research

Aussie Shorts [13 July 2026]: PLS, Lynas, Westpac, Iluka Resources, Commonwealth Bank

The largest industry net increase in the past week was A$0.8bn into "Banks"; the largest industry net decrease was A$0.5bn out of "Diversified...

David Blennerhassett

S&P/ASX Index Rebalance Preview (Sep 26): Plenty of Change with Big Flow & Impact